Thank you all who replied!......
Very important info. ......
I'm new to the group(wow,time flies since joined).......
I'm rookie w/computer stuff.....
Been trying to get a vid. on youtube with it......
will get a friend to help,he has equipt. to record vid. ......
It's (barrell) 40''s length,approx. 1-3/4' bore ,wheels made from lock-rings from
old style truck wheels w/welded square spokes....I used 8# steel "T" rail for sliding rail to heavy duty shocks(coil over) for recoil.....two shocks on top(off of a "bandit" mini-bike,one gabriel gas shock underneath.....barrel supported by 3 points,welded....used arc weld on barrel assem.,m.i.g. the rest of it....
Made breech(solid steel round stock,machined, which is arc welded to barrel. .....my niehbors love it.....said they can fell the ground shake,they r about 1/8th mile from me....hee,he.........thanks again, stv.